thumb|left|Restoration of T. sesselensis
thumb|left|Restoration of T. sesselensis
Triodus is an extinct genus of xenacanthiform cartilaginous fish that lived from the Carboniferous to the Permian. In 2017, a new species Triodus richterae was described from the Rio do Rasto Formation of Brazil.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).